Codes and Frequencies
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Explore how IPUMS created this variable
Most IPUMS data transformations are performed using variable harmonization tables that specify how each value in the source data is recoded. Some variables also require programming logic in addition to the harmonization table. The harmonization documents for this variable are:
- Harmonization table
- Supplemental programming
- Instructions for interpreting harmonization documents
class Mig2_p_br : public Editor {
public:
Mig2_p_br(VarPointer varInfo) : Editor(varInfo) {}
void edit() {
long a = getRecoded();
switch (dataSet) {
case dataset_id::br1980a: {
if (BR1980A_0418() == 999999 || BR1980A_0418() == 0)
a = GEO2_BR(0);
} break;
case dataset_id::br1991a: {
if (BR1991A_0427() == 99)
a = GEO2_BR(0);
} break;
case dataset_id::br2010a: {
if (BR2010A_0424() == 9999999 && BR2010A_0422() == 1)
a = GEO2_BR(0);
if (BR2010A_0424() == 9999999 && BR2010A_0422() == 2)
a = 76097997;
} break;
}
setData(a);
}
};
Description
MIG2_P_BR indicates the person's municipality of previous residence within Brazil. Migration municipality codes from MIG2_P_BR are compatible with codes from GEO2_BR.
Click on the Source Variables tab for information on place of residence for each sample year. Source variables may contain more geographic unit detail but are not suitable for cross-temporal comparison.
Comparability — General
The universe differs between samples. If a person migrated and then moved back to their municipality of birth, it is not accounted for in MIG2_P_BR. For the 1991 and 2010 samples, previous residence is limited to moves within the last 10 years. Users could use BPLBR to get more information on lifetime migration.
See also MIG2_5_BR for municipality of residence 5 years ago in 1991, 2000, and 2010. For the previous country of residence of international migrants, see MIGCTRYP (Country of previous residence).
Where boundaries changed over time, units were harmonized to create units with boundaries that remain stable over time. Where officially-defined municipalities have populations less than 20,000, they have been regionalized (combined) with neighboring municipalities.
Boundary changes for MIG2_P_BR are too numerous to list here, but users should be aware that there were changes over time.
Universe
- Brazil 1980: All persons
- Brazil 1991: All persons
- Brazil 2010: All persons
Availability
- Brazil: 1980, 1991, 2010
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